ASTM B564 N10276 Nickel Alloy Steel Flange for High Temperature
ASTM B564 is a standard published by the American Society for Testing and Materials (ASTM International), officially known as the "Standard Specification for Nickel Alloy Forgings", which stands for the standard specification for nickel alloy forgings. This standard specifies the manufacturing, chemical composition, mechanical properties, inspection, and testing requirements for nickel alloy forgings, applicable to Hastelloy, Inconel, Monel, and other nickel alloy forging products in various industrial applications.
ASTM B564 N10276 is the UNS designation for Hastelloy C-276, which is resistant to various strong acids, alkalis, and oxidizing media, especially in chloride environments, and maintains good mechanical properties and corrosion resistance at high temperatures. At the same time, it has excellent resistance to stress corrosion cracking in chloride ion environments. N10276 flanges can be manufactured into various types according to demand, such as butt welding flanges, slip-on flanges, threaded flanges, blind flange, etc. The size and pressure rating comply with standards such as ASME B16.5 or ASME B16.47, and the specific size and pressure rating can be customized according to requirements.
ASTM B564 N10276 Nickel Alloy Steel Flange Chemical Composition
| UNS GRA. | ASTM B564 N10276 Flange CHEMICAL COMPOSITION % MAXIMUM |
| C | MN | P | S | SI | CR | NI | MO | FE | W |
| N10276 | 0.01 | 1.0 | 0.04 | 0.03 | 0.08 | 14.5-16.5 | REM | 15.0-17.0 | 4.0-7.0 | 3.5-4.0 |
ASTM B564 N10276 Nickel Alloy Steel Flange Core Advantages
1. Corrosion Resistance: Resistant to 10% boiling hydrochloric acid, sulfuric acid, and phosphoric acid, chloride ion stress corrosion, wet chlorine gas, hypochlorite, seawater, and organic acid media, making it the preferred choice for extreme corrosive environments such as the chemical and marine industries.
2. Wide Temperature Range: Suitable for long-term use in temperatures between -196°C and 1040°C, and short-term use in oxidizing atmospheres up to 1200°C. Excellent low-temperature and thermal stability.
3. High Toughness and Excellent Deformation Resistance: Tensile Strength ≥ 690 MPa, Yield Strength ≥ 283 MPa, Elongation ≥ 40%
ASTM B564 N10276 Alloy Steel Flange Mechanical Property Requirements
| UNS GRA. | Tensile Strength, min, ksi [MPa] | Yield Strength, 0.2 % Offset, min, ksi (MPa) | Elongation in 2 in. or 50 mm or 4D, min, % |
| N10276 | 100[690] | 41[283] | 40 |
ASTM B564 N10276 Nickel Alloy Steel Flange Required Nondestructive Testing
When specified by the purchaser, each lot shall be inspected piece by piece. The purchaser shall specify whether one or both tests are required:
- Ultrasonic Testing: This shall be conducted in accordance with MIL-STD-271 (as modified from ASME SB564).
- Liquid Penetrant Testing: This shall be conducted in accordance with MIL-STD-271.
ASTM B564 N10276 Nickel Alloy Steel Flange Application
| INDUSTRY | Application Equipment |
| Chemicals | Reactors, towers, heat exchangers |
| Oil and Gas | FGD desulfurization systems, sour oil and gas pipelines |
| Environmental Protection | Flue gas scrubbers, wastewater treatment |
| Nuclear Power | Nuclear fuel reprocessing equipment |
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ASTM B564 N10276 Nickel Alloy Steel Flange for High Temperature Application Images
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